Even if I don't know the word "versatile", I can go from the phrase "admitting a large number of uses" to the phrase "very useful". The original point I made (before I discovered OneLook Thesaurus) described the effectiveness of a procedure that was just manually looking things up in databases, as one might do in a paper thesaurus. (I could print out Wiktionary and WordHippo in alphabetical order, buy a Cambridge Thesaurus and some bookshelves, and perform the procedure entirely offline, with only a constant factor slowdown.)